1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Over [174]
3 years ago
6

BIOLOGY STUDENTS, I NEED UR HELP.. Substances transported in the phloem are carried upwards in the stem at some time of the year

and downwards at other times. Explain why substances are transported in the phloem upwards at one time of the year and downwards at another. *
Biology
1 answer:
Alja [10]3 years ago
8 0
During growing season when the plant photosynthesises (spring and summer) they travel down to the roots to be stored.
they go upwards when photosynthesis doesn’t occur (winter) to provide nutrients and cellular energy to parts like the leaves.

hope this is what you needed!!
You might be interested in
What causes the different layers in our atmosphere?
Aleksandr [31]

Answer:

changes in temperature that happen with increasing altitude.

8 0
3 years ago
In a minute to win it game cards are placed between cups to stack them. The contestant then pulls the card out and hopes they wi
Lostsunrise [7]

Answer:

The third one, The opening of the cup is so much bigger than the bottom even though the cup moves they will both be stacked together. (I think)

Explanation:

5 0
3 years ago
146. The ATP/CP Pathway is best for which of the following activities? A. Running a marathon B. 100m sprint C. 30 minutes steady
igor_vitrenko [27]

Answer:

100m sprint

Explanation:

5 0
3 years ago
Who were the two scientists who discovered the structure of DNA
Kisachek [45]

Answer:

James Watson and Francis Crick were the first to discover the structure of DNA in the 1950s

4 0
4 years ago
What kind of cells can develop from pluripotent stem cells?​
siniylev [52]

Answer:

Pluripotent cells can give rise to all of the cell types that make up the body; embryonic stem cells are considered pluripotent. Multipotent cells can develop into more than one cell type, but are more limited than pluripotent cells; adult stem cells and cord blood stem cells are considered multipotent.

6 0
4 years ago
Other questions:
  • Which remains the same as the distance of an object from earth xhanges
    15·1 answer
  • Why do animals defend their territories?
    13·2 answers
  • These are the basic building blocks of matter
    5·2 answers
  • In active transport, this is a cell transport (biology) question, what are the two main characteristics?
    7·1 answer
  • The organelle responsible for the conversion of the pollywog to a frog (the loss of the tadpole’s tail) is the:
    5·1 answer
  • 10) What is required for an organism to become a fossil?
    7·2 answers
  • A new field known as _______________ has emerged to explore the epigenetic influences of diet.
    5·2 answers
  • Your teacher gives you this model of transcription. Choose the statement that best describes the role of DNA in transcription
    12·1 answer
  • Question 13<br> What form of cell death results from severe damage and is uncontrolled?
    14·1 answer
  • Plzzzzz help meeee plzzzz
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!